Tours (France). Université François Rabelais.
Centre d’Études Supérieures de la Renaissance, REPG – SR
19a
.
Johannes de Sacrobosco - Editions of the
Tractatus
de Sphaera - home Roberto de Andrade Martins - roberto.andrade.martins@gmail.com Group of History, Theory of Science and Science Teaching, University
of São Paulo (USP), Brazil - GHTC
Tractatus
de Sphaera
